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64241238 = 2331569607
BaseRepresentation
bin1111010100001…
…1111001010110
311110212210102010
43311003321112
5112421204423
610212525050
71410020145
oct365037126
9143783363
1064241238
1133298436
1219620786
1310403589
14876375c
15598e693
hex3d43e56

64241238 has 32 divisors (see below), whose sum is σ = 133079040. Its totient is φ = 20652480.

The previous prime is 64241209. The next prime is 64241239. The reversal of 64241238 is 83214246.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64241239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105531 + ... + 106137.

It is an arithmetic number, because the mean of its divisors is an integer number (4158720).

Almost surely, 264241238 is an apocalyptic number.

64241238 is an abundant number, since it is smaller than the sum of its proper divisors (68837802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64241238 is a wasteful number, since it uses less digits than its factorization.

64241238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212.

The product of its digits is 9216, while the sum is 30.

The square root of 64241238 is about 8015.0631937621. The cubic root of 64241238 is about 400.5019490211.

The spelling of 64241238 in words is "sixty-four million, two hundred forty-one thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 31 62 93 186 569 607 1138 1214 1707 1821 3414 3642 17639 18817 35278 37634 52917 56451 105834 112902 345383 690766 1036149 2072298 10706873 21413746 32120619 64241238